X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=configure.ac;h=179cb7d9643584a72b0edbd7845a43e95b223132;hp=612297861716584fdfc667bb739655e5c219b414;hb=98bc124a1949657d6af385f8b257af3a58957e51;hpb=d8540fc53386cd7ff270085aca621e32772832ba diff --git a/configure.ac b/configure.ac index 6122978..179cb7d 100644 --- a/configure.ac +++ b/configure.ac @@ -2,22 +2,30 @@ # Process this file with autoconf to produce a configure script. -AC_INIT([userspace-rcu], [0.3.3], [mathieu dot desnoyers at polymtl dot ca]) +AC_INIT([userspace-rcu], [0.5.4], [mathieu dot desnoyers at efficios dot com]) + +# Following the numbering scheme proposed by libtool for the library version +# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html +AC_SUBST([URCU_LIBRARY_VERSION], [1:0:0]) + AC_CONFIG_AUX_DIR([config]) AC_CANONICAL_TARGET AC_CANONICAL_HOST AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip]) +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) + AC_CONFIG_SRCDIR([urcu.h]) AM_PROG_MKDIR_P AC_CONFIG_HEADERS([config.h urcu/config.h]) # Keep at the end to do not pollute installed header. -AH_TEMPLATE([CONFIG_URCU_SMP], [Enable SMP support. With SMP support enabled, uniprocessors are also supported. With SMP support disabled, UP systems work fine, but the behavior of SMP systems is undefined.]) -AH_TEMPLATE([CONFIG_URCU_HAVE_FENCE], [Defined when on a system that has memory fence instructions.]) -AH_TEMPLATE([CONFIG_URCU_HAVE_FUTEX], [Defined when on a system with futex support.]) -AH_TEMPLATE([CONFIG_URCU_COMPAT_ARCH], [Compatibility mode for i386 which lacks +AH_TEMPLATE([CONFIG_RCU_SMP], [Enable SMP support. With SMP support enabled, uniprocessors are also supported. With SMP support disabled, UP systems work fine, but the behavior of SMP systems is undefined.]) +AH_TEMPLATE([CONFIG_RCU_HAVE_FENCE], [Defined when on a system that has memory fence instructions.]) +AH_TEMPLATE([CONFIG_RCU_HAVE_FUTEX], [Defined when on a system with futex support.]) +AH_TEMPLATE([CONFIG_RCU_COMPAT_ARCH], [Compatibility mode for i386 which lacks cmpxchg instruction.]) +AH_TEMPLATE([CONFIG_RCU_ARM_HAVE_DMB], [Use the dmb instruction is available for use on ARM.]) # Checks for programs. AC_PROG_CC @@ -32,7 +40,7 @@ AC_TYPE_SIZE_T # Checks for library functions. AC_FUNC_MALLOC AC_FUNC_MMAP -AC_CHECK_FUNCS([bzero gettimeofday munmap strtoul]) +AC_CHECK_FUNCS([bzero gettimeofday munmap sched_getcpu strtoul sysconf]) # Find arch type case $host_cpu in @@ -48,12 +56,42 @@ case $host_cpu in s390) ARCHTYPE="s390" ;; s390x) ARCHTYPE="s390" ;; sparc64) ARCHTYPE="sparc64" ;; + alpha*) ARCHTYPE="alpha" ;; + ia64) ARCHTYPE="gcc" ;; + arm*) ARCHTYPE="arm" ;; *) ARCHTYPE="unknown";; esac -if test "$ARCHTYPE" = "unknown"; then - AC_MSG_ERROR([Unable to detect the architecture.]) +if test "x$ARCHTYPE" = "xarm" ; then +AC_MSG_CHECKING([checking for dmb instruction]) +AC_TRY_COMPILE( +[ +], +[ +asm volatile("dmb":::"memory"); +], +[ + AC_MSG_RESULT([yes]) + AC_DEFINE([CONFIG_RCU_ARM_HAVE_DMB], [1]) +] +, +[ + AC_MSG_RESULT([no]) +] +) fi + +UATOMICSRC=urcu/uatomic_arch_$ARCHTYPE.h +ARCHSRC=urcu/arch_$ARCHTYPE.h +if test "x$ARCHTYPE" != xx86 -a "x$ARCHTYPE" != xppc; then + APISRC=tests/api_gcc.h +else + APISRC=tests/api_$ARCHTYPE.h +fi +if test "$ARCHTYPE" == "armv7l"; then + CFLAGS="-mcpu=cortex-a9 -mtune=cortex-a9 -O" +fi + AC_SUBST(ARCHTYPE) AC_SUBST(SUBARCHTYPE) @@ -64,7 +102,7 @@ AC_SUBST(SUBARCHTYPE) #Only using fence for x86_64. if test "x$ARCHTYPE" = "xx86" -a "x$host_cpu" != "xi386" -a "x$host_cpu" != "xi486" -a "x$host_cpu" != "xi586" -a "x$host_cpu" != "xi686"; then ] - AC_DEFINE([CONFIG_URCU_HAVE_FENCE], [1]) + AC_DEFINE([CONFIG_RCU_HAVE_FENCE], [1]) [ fi ] @@ -81,7 +119,7 @@ AC_TRY_COMPILE( ], [ AC_MSG_RESULT([yes]) - AC_DEFINE([CONFIG_URCU_HAVE_FUTEX], [1]) + AC_DEFINE([CONFIG_RCU_HAVE_FUTEX], [1]) compat_futex_test=0 ] , @@ -93,14 +131,12 @@ AC_TRY_COMPILE( AM_CONDITIONAL([COMPAT_FUTEX], [ test "x$compat_futex_test" = "x1" ]) -AM_CONDITIONAL([GCC_API], [test "x$ARCHTYPE" != xx86 -a "x$ARCHTYPE" != xppc]) - AM_CONDITIONAL([COMPAT_ARCH], [test "x$SUBARCHTYPE" = xx86compat ]) [ if test "x$SUBARCHTYPE" = xx86compat; then ] - AC_DEFINE([CONFIG_URCU_COMPAT_ARCH], [1]) + AC_DEFINE([CONFIG_RCU_COMPAT_ARCH], [1]) [ fi ] @@ -113,7 +149,7 @@ if test "$def_smp_support" = "no"; then echo "SMP support disabled." else ] - AC_DEFINE([CONFIG_URCU_SMP], [1]) + AC_DEFINE([CONFIG_RCU_SMP], [1]) [ echo "SMP support enabled." fi @@ -202,8 +238,18 @@ AC_CHECK_FUNCS( CFLAGS=$saved_CFLAGS +AC_CONFIG_LINKS([ + urcu/arch.h:$ARCHSRC + urcu/uatomic_arch.h:$UATOMICSRC + tests/api.h:$APISRC +]) AC_CONFIG_FILES([ Makefile tests/Makefile + liburcu.pc + liburcu-bp.pc + liburcu-qsbr.pc + liburcu-mb.pc + liburcu-signal.pc ]) AC_OUTPUT